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Finding the Fourth Proportional to 251,229.44, 346,680.32 and 143,800.32

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Solution

The fourth proportional to 251,229.44, 346,680.32 and 143,800.32 is: 198,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,229.44 : 346,680.32 = 143,800.32 : x
  2. Step 2: Convert to fraction form
    251,229.44/346,680.32 = 143,800.32/x
  3. Step 3: Cross multiply
    251,229.44x = 346,680.32 × 143,800.32
  4. Step 4: Simplify right side
    251,229.44x = 49,852,740,953.70
  5. Step 5: Solve for x
    x = 49,852,740,953.70/251,229.44
  6. Step 6: Final answer
    x = 198,435.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.